// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/webui/generic_handler.h"

#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/logging.h"
#include "base/values.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_ui.h"
#include "ui/base/window_open_disposition.h"

namespace content {

GenericHandler::GenericHandler()
{
}

GenericHandler::~GenericHandler()
{
}

void GenericHandler::RegisterMessages()
{
    web_ui()->RegisterMessageCallback("navigateToUrl",
        base::Bind(&GenericHandler::HandleNavigateToUrl, base::Unretained(this)));
}

void GenericHandler::HandleNavigateToUrl(const base::ListValue* args)
{
    std::string url_string;
    std::string target_string;
    double button;
    bool alt_key;
    bool ctrl_key;
    bool meta_key;
    bool shift_key;

    CHECK(args->GetString(0, &url_string));
    CHECK(args->GetString(1, &target_string));
    CHECK(args->GetDouble(2, &button));
    CHECK(args->GetBoolean(3, &alt_key));
    CHECK(args->GetBoolean(4, &ctrl_key));
    CHECK(args->GetBoolean(5, &meta_key));
    CHECK(args->GetBoolean(6, &shift_key));

    CHECK(button == 0.0 || button == 1.0);
    bool middle_button = (button == 1.0);

    WindowOpenDisposition disposition = ui::DispositionFromClick(
        middle_button, alt_key, ctrl_key, meta_key, shift_key);
    if (disposition == WindowOpenDisposition::CURRENT_TAB && target_string == "_blank")
        disposition = WindowOpenDisposition::NEW_FOREGROUND_TAB;

    web_ui()->GetWebContents()->OpenURL(OpenURLParams(GURL(url_string),
        Referrer(),
        disposition,
        ui::PAGE_TRANSITION_LINK,
        false));

    // This may delete us!
}

} // namespace content
